import turtle,datetime
def drawGap():
    turtle.penup()
    turtle.fd(5)
def drawLine(draw):
    drawGap()
    turtle.pendown() if draw else turtle.penup()    #绘制单端数码管
    turtle.fd(40)
    drawGap()
    turtle.right(90)
def drawDight(d):   #根据数字绘制七段数码管
    drawLine(True) if d in [2,3,4,5,6,8,9] else drawLine(False)
    drawLine(True) if d in [0, 1, 3, 4, 5, 6, 7, 8, 9] else drawLine(False)
    drawLine(True) if d in [0, 2, 3, 5, 6, 8, 9] else drawLine(False)
    drawLine(True) if d in [0, 2, 6, 8] else drawLine(False)
    turtle.left(90) #把上行代码函数中的右转抵消
    drawLine(True) if d in [0, 4, 5, 6, 8, 9] else drawLine(False)
    drawLine(True) if d in [0, 2, 3, 5, 6, 7, 8, 9] else drawLine(False)
    drawLine(True) if d in [0, 1, 2, 3, 4, 7, 8, 9] else drawLine(False)
    turtle.left(180)
    turtle.penup()
    turtle.fd(20)
def drawDate(date):     #获得想要输出的数字
    turtle.pencolor("red")
    for i in date:
        if i=='-':
            turtle.write('年',font=("Arial",20,"normal"))    
            turtle.pencolor("green")
            turtle.fd(40)
        elif i=='=':
            turtle.write('月',font=("Arial",20,"normal"))
            turtle.pencolor("blue")
            turtle.fd(40)
        elif i =='+':
            turtle.write('日',font=("Arial",20,"normal"))
            turtle.pencolor("green")
            turtle.fd(40)
        else:
            drawDight(eval(i))
def main():
    turtle.setup(800,400,100,100)
    turtle.penup()
    turtle.fd(-300)
    turtle.pensize(5)
    drawDate(datetime.datetime.now().strftime('%Y-%m=%d+'))
    turtle.hideturtle() #画完后将海龟图标藏起来
main()
turtle.done()   #让画布不消失